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EWG's Tap Water Database — 2021 UPDATE

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Cobalt

City of Riverton

Cobalt is a metal found throughout the environment; people may be exposed to cobalt in air, food and drinking water.

 

33

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND330ND
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 70 ppb

The EWG Health Guideline of 70 ppb for cobalt was defined by the Environmental Protection Agency as a benchmark for testing under the Unregulated Contaminant Monitoring Rule program. This health guideline protects against change in blood chemistry.

ppb = parts per billion

All test results

Date Lab ID Result
2013-02-05100446PND
2013-02-05300548PND
2013-02-05300549PND
2013-02-05100445PND
2013-02-05100457PND
2013-02-05100456PND
2013-02-05100455PND
2013-02-05100454PND
2013-02-05100453PND
2013-02-05100452PND
2013-02-05100451PND
2013-02-05100450PND
2013-02-05100449PND
2013-02-05100448PND
2013-02-05100447PND
2013-05-08101417QND
2013-05-08301335PND
2013-08-05301876PND
2013-08-05301877PND
2013-08-05102004PND
2013-08-05102003PND
2013-08-05102002PND
2013-08-05102001PND
2013-08-05102000PND
2013-08-05101999PND
2013-08-05101998PND
2013-08-05101997PND
2013-08-05101996PND
2013-08-05101995PND
2013-08-05101994PND
2013-08-05101993PND
2013-08-05101992PND
2013-08-05101991PND